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Graphviz: How to go from .dot to a graph?

...ives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there. You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o. If you're using windows, check out the installed tool called GVE...
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How do you know a variable type in java?

... That would work if the types aren't primitives... If the type is int , how to know the type? – Miguel Ribeiro Apr 20 '10 at 11:32 5 ...
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Android Studio suddenly cannot resolve symbols

Android Studio 0.4.2 was working fine and today I opened it and almost everything was red and the auto-completion had stopped working. I look at the imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( andro...
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How to use int.TryParse with nullable int? [duplicate]

... You can't do this without using another variable, unfortunately - because the type of out arguments has to match the parameter exactly. Like Daniel's code, but fixed in terms of the second argument, trimming, and avoiding comparisons with Bool...
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Installing specific package versions with pip

...rsion 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it: ...
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More elegant “ps aux | grep -v grep”

... of processes and 'grep' out those that are interesting for me, the grep itself is also included in the results. For example, to list terminals: ...
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Purge Kafka Topic

... --config retention.ms=1000 And in newer Kafka releases, you can also do it with kafka-configs --entity-type topics kafka-configs.sh --zookeeper <zkhost>:2181 --entity-type topics --alter --entity-name <topic name> --add-config retention.ms=1000 then wait for the purge to take effec...
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Extracting extension from filename in Python

... Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation): >>> import os >>> filename, file_extension = os.path.splitext('/path/to/somefile.ext') >>> filename '/path/to/somefile' >>>...
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How to get a resource id with a known resource name?

I want to access a resource like a String or a Drawable by its name and not its int id. 10 Answers ...
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How to remove “disabled” attribute using jQuery?

... or disable elements when using jQuery (see below for why). In your case, it would be: $("#edit").click(function(event){ event.preventDefault(); $('.inputDisabled').prop("disabled", false); // Element(s) are now enabled. }); jsFiddle example here. Why use prop() when you could use at...